/*
 * Copyright (c) 2020 - present, Inspur Genersoft Co., Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.inspur.edp.bff.designtime.generator.core.propertymapper;

import com.inspur.edp.bef.bizentity.GspBizEntityObject;
import com.inspur.edp.bff.api.dataprocessor.MapperBEPropertyInfo;
import com.inspur.edp.bff.designtime.generator.core.VmCoreGenContext;
import com.inspur.edp.caf.generator.baseInfo.ParameterInfo;
import com.inspur.edp.caf.generator.baseInfo.TypeInfo;
import com.inspur.edp.caf.generator.method.ClassMethodGenerator;
import com.inspur.edp.das.commonmodel.IGspCommonElement;
import com.inspur.edp.formserver.viewmodel.GspViewModelElement;
import com.inspur.edp.formserver.viewmodel.GspViewObject;
import java.util.ArrayList;
import java.util.Arrays;
import org.eclipse.jdt.core.dom.Block;
import org.eclipse.jdt.core.dom.ClassInstanceCreation;
import org.eclipse.jdt.core.dom.MethodInvocation;
import org.eclipse.jdt.core.dom.Modifier.ModifierKeyword;
import org.eclipse.jdt.core.dom.StringLiteral;

public class GetBEPropNameMethodGenerator extends ClassMethodGenerator {

  private final GspViewObject node;
  private final VmCoreGenContext coreGenContext;

  public GetBEPropNameMethodGenerator(VmCoreGenContext coreGenContext, GspViewObject node) {
    this.coreGenContext = coreGenContext;
    this.node = node;
  }

  @Override
  protected Block buildMethodBody() {
    Block block = ast.newBlock();
    String beType = coreGenContext.getVmGenContext().getRefBizEntity().getGeneratedConfigID();
//    GspBizEntityObject beNode = (GspBizEntityObject) coreGenContext.getVmGenContext()
//        .getRefBizEntity().findObjectById(node.getMapping().getTargetObjId());
    node.getContainElements().stream().map(item -> ((GspViewModelElement) item))
        .filter(item -> !item.getIsVirtual() && coreGenContext.getVmGenContext().getRefBizEntity().getID()
            .equals(item.getMapping().getTargetMetadataId()))
        .forEach(item -> {
          addBuildStatementByElement(block, item, beType);
        });
    return block;
  }

  private void addBuildStatementByElement(Block block, GspViewModelElement item, String beType) {
    GspBizEntityObject beNode  = (GspBizEntityObject) coreGenContext.getVmGenContext()
            .getRefBizEntity().findObjectById(item.getMapping().getTargetObjectId());
    if(beNode == null){
      throw new RuntimeException("未找到["+item.getLabelID()+"]对应的BE节点");
    }
    MethodInvocation methodInvocation = ast.newMethodInvocation();
    methodInvocation.setName(ast.newSimpleName("addBEPropertyNameFromVO"));
    StringLiteral par1 = ast.newStringLiteral();
    par1.setLiteralValue(item.getCode());
    methodInvocation.arguments().add(par1);
    ClassInstanceCreation par2 = ast.newClassInstanceCreation();
    par2.setType(new TypeInfo(MapperBEPropertyInfo.class).getType(ast, coreGenContext));
    StringLiteral par2_1 = ast.newStringLiteral();
    par2_1.setLiteralValue(beType);
    par2.arguments().add(par2_1);
    StringLiteral par2_2 = ast.newStringLiteral();
    IGspCommonElement beElement = beNode.findElement(item.getMapping().getTargetObjId());
    if(beElement == null){
      throw new RuntimeException("未找到["+item.getLabelID()+"]对应的be元素，对应节点为["+beNode.getCode()+"]，be字段ID为["+item.getMapping().getTargetObjId()+"]");
   }
    par2_2.setLiteralValue(beElement.getLabelID());
    par2.arguments().add(par2_2);
    methodInvocation.arguments().add(par2);
    block.statements().add(ast.newExpressionStatement(methodInvocation));
  }

  @Override
  protected String getMethodName() {
    return "buildBEPropertyInfoFromVO";
  }

  @Override
  protected TypeInfo getReturnType() {
    return new TypeInfo("void");
  }

  @Override
  protected ArrayList<ModifierKeyword> getAccessModifiers() {
    return new ArrayList<ModifierKeyword>(Arrays.asList(
        new ModifierKeyword[]{ModifierKeyword.PROTECTED_KEYWORD}));
  }

  @Override
  protected boolean getIsOverride() {
    return true;
  }

  @Override
  protected ArrayList<ParameterInfo> getParameterCollection() {
    return null;
  }
}
